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authorAnton Vorontsov <anton.vorontsov@linaro.org>2012-12-11 22:15:57 -0800
committerAnton Vorontsov <anton.vorontsov@linaro.org>2012-12-11 22:15:57 -0800
commit76d8a23b127020472207b281427d3e9f4f1227e4 (patch)
treee14d7063d96d850fb259115d6fb08cbeb98ccf88 /arch/sh/kernel/signal_64.c
parenteba3b670a9166a91be5a11fe33290dca6b9457a2 (diff)
parent1ebaf4f4e6912199f8a4e30ba3ab55da2b71bcdf (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
The merge is merely to fix conflicts before sending a pull request. Conflicts: drivers/power/ab8500_btemp.c drivers/power/ab8500_charger.c drivers/power/ab8500_fg.c drivers/power/abx500_chargalg.c drivers/power/max8925_power.c Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Diffstat (limited to 'arch/sh/kernel/signal_64.c')
-rw-r--r--arch/sh/kernel/signal_64.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 23853814bd1..d867cd95a62 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -347,7 +347,6 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3,
{
struct rt_sigframe __user *frame = (struct rt_sigframe __user *) (long) REF_REG_SP;
sigset_t set;
- stack_t __user st;
long long ret;
/* Always make any pending restarted system calls return -EINTR */
@@ -365,11 +364,10 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3,
goto badframe;
regs->pc -= 4;
- if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
- goto badframe;
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
- do_sigaltstack(&st, NULL, REF_REG_SP);
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, REF_REG_SP) == -EFAULT)
+ goto badframe;
return (int) ret;